And I *still* think that a cluster of arduinos would be fun, albeit slow. Is there a (limited) MPI implementation? There's some interesting I/O devices for arduino that might be intriguing in this context.. the 8x8 multicolor LED displays for instance.
That's interesting....
I know where there are a lot of 3x3 multicolour displays, in the East End of London.
http://www.taittechnologies.com/stadiumvideo/
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